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(No Model.) H. M. OHAMBERLIN.

SHUTTER WORKER.

Patented Sept. 11, 1883.

N. PEIERs Pholo-Umogmphen Waxhinglon. 11c.

NITYED STATES HIRAM M. OHAMBERLIN,

OF READING, VERMONT.

SHUTTER-WORKER.

SPECIFICATION forming part of Letters Patent No. 284,722, dated September 11, 1883.

Application filed June 28, 1883.

venient and effective mechanism to operate outside blinds or shutters in opening and closing them from the inside of the house, and for securing them in a position either opened or closed from the inside; and I accomplish this by the mechanism substantially as hereinafter described, and illustrated in the accompanying drawings, in which- Figure I is an outside view, representing the window of a house provided with outside blinds having my invention applied to operate them and secure them firmly in a position either open or closed from the inside. Fig. II is avertical section of the same at line A of Fig.1. Fig. III is a sectional view of the knob and mechanism connected therewith for turning and se-- curing the spindle at the inside of the windoweasing on a vertical planeat the axis of the spindle. Fig. IV is a vertical section of the hinge and operating bevel-gear at the axis of the spindle. Fig. V is a front view, showing a modification of the clamping or fastening sleeve and its flange and the clamp for securing the flange of the sleeve against the plate fixed to the window-casing; and Fig. VI is a vertical section of the same at the axis of the operating-spindle.

In the drawings, 2 represents the ordinary window-casing of a house, with the common blind-pintle, 21, driven into the outside, upon which the hinge secured to the edge of the blind is to be hung. The upper hinge secured to the blind is made in the ordinary manner, but the lower one has a horizontal bevel-gear or the segment of one made thereon, as shown in Figs. I, II, and IV, with a vertical hole, 18,

at its center, to receive thepintle 21in hanging the blind. A spmdlc, 6, extends through the window-casing, having a bearing in aplate,

' as 8, secured to the window-casing inside, with preferably a similar plate secured outside, and a bevel-gear, '7, is made upon or secured to the spindle 6 at its outer end. i

In the modification shown in Fig. III the plate 8, through which extends the spindle 6, is provided with a projecting threaded hub, 22, and a clamping-sleeve, 10, having a flange,

13, and an internal screw-thread is turned onto the threaded part of the spindle 6, with said flange 13 abutting against the hub of said plate, and a clamp, which in this case consists of a nut, 9, threaded on the inside to fit the thread of the hub 22, and perforated in the outerportion to fit over the sleeve 10, and with an internal flange, 14, to bear against the flange 13 ,of the sleeve 10, and provided with a handle,

12, so that by turning the clamp in one direction, or onto the threaded'hub of the plate 8, the flange 13 of the clamping-sleeve will be forced firmly against the hub of the plate 8, and the sleeve cannot be turned in either direction, and by turning the clamp in the other direction the flange of the sleeve will be loosened fromthe hub.

Instead of making-the clamping mechanism as shown in Fig. III, it may be made as shown in Figs. V and VI, in which the sleeve 10 is provided with a flange, 13, made larger in diameter than that shown in Fig. III, and with a concentric slot, 20, made through it, said flange abutting against the flat plate 8, and the clamp 9 in Figs. 'V'and VI consists of a screw having a flange, 14, and a handle, 12, secured thereto, 'said screw being turned through said concentric slot into a threaded hole made in the plate, so that when the clamp is turned in one direction the flange It will force the flange 13 of the clamping-sleeve firmly against the plate 8, and thereby clamp the sleeve 10 firmly to the plate, as before, so that the clamping-sleeve cannot be turned in either direction. A knob or ordinary thumb-nut, 16, having the internal screw-thread, 15, is turned onto the threaded end of the spindle and firmly and snugly against the outer end of the sleeve 10, and the latter may be flattened on opposite sides to receive a wrench, so that the knob or thumb-nut may be turned up against the end of the sleeve with the desired force. As thus arranged, the spindle 6, clampingsleeve 10, and knob or thumb-nut 16 are all firmly secured together, and when the parts are all in place the'bevel-gear 7 011 the outer end of the spindle 6, which extends through the windoweasing, is in engagement with the segment of gear 5, made on the lower hinge, 4, of the blind, and if the clamp 9 be turned in one direction the flange 13 of the sleeve 10 is loosened from its contact with the plate 8, secured to the window-casing inside, and the spindle may then be turned by its knob or nut 16, and the blind be moved or swung on its supporting-pintles by the bevel-gear. After being moved into a position either open or shut, the blind is then secured by turning the clamp 9 in the opposite direction, and the knob and spindle cannot then be easily turned.

It is evident that the gear 5 or segment thereof may be made separate and secured to the edge of the blind at any desired point, and both hinges be madein the ordinary manner, and the spindle and its gear be located to engage with this gear-segment secured to the blind without departing from the invention in the least.

Having thus described my invention, what I claim as new is The combination, with abevel-gear segment adapted to be secured to a blind or shutter, of a spindle having abevel-gear or segment there- 25 of on its outer end, to engage with said gearsegment, and extending through the windowcasing and through applate secured inside, a flanged clamping-sleeve, 10, threaded inside and turned onto the threaded part of the spin- 0 dle, the nut 16, said sleeve, spindle, and nut being firmly secured together, and a clamp device to clamp the sleeve against the plate 8 and prevent the sleeve and spindle from turning, substantially as described.

HIRAM M. GHAMBERLIN.

\Vitnesscs:

T. A. CURTIS, CHAS. H. \Voon. 

